Fix mojo_surfaces_app_bindings deps

TBR=ben@chromium.org

Review URL: https://codereview.chromium.org/383393002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282857 0039d316-1c4b-4281-b951-d872f2087c98

mojo/mojo_examples.gypi

@@ -310,6 +310,8 @@
       ],
       'dependencies': [
         'mojo_cpp_bindings',
+        'mojo_geometry_bindings',
+        'mojo_surfaces_bindings',
       ],
     },
     {